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What you need to know

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The Massachusetts Contingency Plan was significantly revised effective October 1, 1993 when a new, privatized approach was adopted. Since then, DEP has worked with private-sector Licensed Site Professionals (LSPs) to assess and cleanup sites. This page asks and answers questions about the progress of cleanups since 1993.

This information is current through Fiscal Year 2021.
Dealing with a spill or contamination problem on your property can be particularly difficult and stressful for homeowners. Understanding the rules, learning all the new terms and procedures, and working through the system can be overwhelming at times. The following series of explanations, guidelines, recommendations, and tips are provided to help you through the process of preventing and cleaning up spills on your property.
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